As demonstrated in the video, the team uses a complex dynamic layering system in which several different sounds can have varying levels of volume, frequency, and focus -- as demonstrated by a windmill, which has ten different sounds playing at intervals to create the illusion of wood and cloth slowly turning. Guild Wars 2 players might not find any tips about the gameplay just past the cut, but they will find a video that further explains how you make just the right kinds of noise in the game.